57 is greater than 42
Look at the tens first. 57 has 5 tens and 42 has 4 tens.
A57
5 tens and 7 ones
B42
4 tens and 2 ones
Because 5 tens is more than 4 tens, 57 > 42.
Year 2
Compare two-digit numbers, place them in order and choose the correct comparison sign.
Number - number and place value
We can compare numbers by looking at their place value and their position on a number line. If one number is greater, we use >. If one number is smaller, we use <. If both numbers are the same, we use =.
57 is greater than 42
Look at the tens first. 57 has 5 tens and 42 has 4 tens.
5 tens and 7 ones
4 tens and 2 ones
Because 5 tens is more than 4 tens, 57 > 42.
63 is equal to 63
Both numbers are the same.
6 tens and 3 ones
6 tens and 3 ones
When the numbers match exactly, we use =.
Ordering numbers from smallest to largest
Read the numbers carefully, then place them in rising order.
18 comes first, then 30, then 41.
Which is greater: 46 or 39?
4 tens and 6 ones
3 tens and 9 ones
Compare carefully, then choose the correct sign or order.
7 tens and 2 ones
6 tens and 8 ones
5 tens and 5 ones
5 tens and 5 ones
Watch for these when you compare and order numbers.
These ideas support confident comparing and ordering.